GE D400 Substation Data Manager User Manual page 23

2.5 Physical Installation
The D400 can be installed in a standard 19-inch rack or substation panel.
Rack Mounting
The D400 mounts directly into an industry-standard 19-inch [482.6 mm] equipment
mounting rack with EIA universal mounting rail hole spacing.
»
To mount the D400 on a rack:
Position the D400 in the rack.
1.
Holding the D400 firmly in the rails of the mounting rack, insert and tighten the four
2.
rack screws.
The recommended tool torque settings for zinc-plated mounting screws are:
– 10-32 UNF screws use 22.2 in-lb [2.50 Nm]
– 12-24 UNC screws use 31.0 in-lb [3.51 Nm]
– M5x0.45 screws use 18.1 in-lb [2.04 Nm]
– M6x0.5 screws use 33.3 in-lb [3.76 Nm]
Panel Mount
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To mount the D400 in a panel:
If you are using a panel cutout, use the following cutout dimensions:
.162 in.
[4.1 mm]
The top cover of the D400 can get hot during peak operation. Ensure
that there is at least 1U (1.75 inch [44.45 mm]) of free space above the
D400 unit for proper ventilation.
When the unit is operating above the 50 °C ambient temperature, safe
handling precautions are recommended to prevent burns.
Cutout for panel mounting
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18.3 in. [464.8 mm]
17.5 in. [444.5 mm]
D400 Substation Data Manager User's Manual
GE Energy
23